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When you are frequently deploying devices without a build-in network device, like MS Surfaces, DELL XPS devices and tablets, you know the burden of using USB-Ethernet adapters. These devices have their own MAC-address and when used repeatedly, you constantly have to remove the old devices to add new devices for deployment. Before SCCM CB version 1610 you could add these MAC-addresses to the registry by adding them to “ExcludeMACaddress” under: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\SMS\Components \SMS_DISCOVERY_DATA_MANAGER

From CB 1610 on you can now add these USB-Ethernet adapters to the field “Duplicate hardware identifiers”. The idea behind this is that you don’t have to remove the devices, associated with certain USB-Ethernet adapters, anymore. Underneath a short tutorial on how to add MAC-Addresses to the “Duplicate hardware identifiers”

Step 1. Open your Systemt Center Configuration Manager console and go to “Administration > Overview > Site Configuration > Sites” and left-click on “Hierarchy Settings” in the ribbon.

Step 2. Click on the tab “Client Approval and Conflicting Records”

Step 3. Click on “Add” to add your MAC-addresses to the field “Hardware ID’s”.

Step 4. When you have added all your MAC-Addresses you can close all windows by clicking “OK”.

Now you can keep using your USB-Ethernet adapters without removing  the old associations with the devices you used them on before.

Any questions or comments, please post them below! Happy deploying!!